gettext

9f1872da - Don't assume that 'sed' supports alternation in regular expressions.

Don't assume that 'sed' supports alternation in regular expressions. See https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Limitations-of-Usual-Tools.html * gettext-tools/tests/msginit-1: Don't use \| in a 'sed' regular expression. * gettext-tools/tests/msginit-3: Likewise. * gettext-tools/tests/msginit-4: Likewise.